FTIR and thermal analysis of cashmere and other animal fibres

Wang, Huimin, Liu, Xin and Wang, Xungai 2005, FTIR and thermal analysis of cashmere and other animal fibres, in Proceedings of the 3rd International Cashmere Determination Technique Seminar - Paper collection, [International Cashmere Determination Technique Seminar], [Erdos, Inner Mongolia], pp. 217-228.

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Title FTIR and thermal analysis of cashmere and other animal fibres
Author(s) Wang, Huimin
Liu, Xin
Wang, Xungai
Conference name International Cashmere Determination Technique Seminar (3rd : 2005 : Erdos, Inner Mongolia)
Conference location Erdos, Inner Mongolia
Conference dates 21 - 25 September 2005
Title of proceedings Proceedings of the 3rd International Cashmere Determination Technique Seminar - Paper collection
Editor(s) Zhi, Z.
Meirong, Z.
Jun, T.
Guifen, Y.
Hong, Z.
Cuifang, W.
Publication date 2005
Conference series International Cashmere Determination Technique Seminar
Start page 217
End page 228
Publisher [International Cashmere Determination Technique Seminar]
Place of publication [Erdos, Inner Mongolia]
Keyword(s) cashmere
identification techniques
thermal analysis
FTIR
wool
Summary In this paper, sereval varieties of animal fibres including cashmere and Australian fine Merino wool have been analysed by Fourier transform infrared microscope and differential scanning calorimeter. The results showed that both Chinese and Australian cashmere fibres started absorbing heat at a relatively higher temperature but were thermally degraded quicker than other animal fibres tested. However, the mass changes (within the temperature range of 200oC to 350oC) and associated onset temperatures varied among fibre varieties. From the attenuated total reflectance spectra, the Chinese cashmere was clearly different from Australian cashmere and wool in a peak near 1040 cm-1 wavelength for S-O stretching of cysteic acid residues. The Chinese cashmere presented a stronger absorption at 1019 cm-1 wavelength, while Australian cashmere and wool peaked at 1079 cm-1 wavelength and had a weaker absorption. Combined with thermal analysis, the normalised R-SO3 - content of cysteic acid residues to the amide II peak of the protein backbone may have potential use in identifying Australian fine Merino wool from Chinese cashmere.
Language eng
Field of Research 091012 Textile Technology
HERDC Research category E1 Full written paper - refereed
Persistent URL http://hdl.handle.net/10536/DRO/DU:30005703

Document type: Conference Paper
Collection: School of Engineering and Technology
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